linux-kernel - Re: [PATCH 2/3] ASoC: fsl_utils: fix a leaked reference by adding missing of_node

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Message-ID: <94bbd764-9727-5e17-aab0-66738edec39f@web.de>
Date:   Fri, 5 Apr 2019 14:30:58 +0200
From:   Markus Elfring <Markus.Elfring@....de>
To:     Wen Yang <wen.yang99@....com.cn>, alsa-devel@...a-project.org,
        linuxppc-dev@...ts.ozlabs.org
Cc:     linux-kernel@...r.kernel.org, Fabio Estevam <festevam@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Nicolin Chen <nicoleotsuka@...il.com>,
        Takashi Iwai <tiwai@...e.com>, Timur Tabi <timur@...nel.org>,
        Xiubo Li <Xiubo.Lee@...il.com>, Yi Wang <wang.yi59@....com.cn>
Subject: Re: [PATCH 2/3] ASoC: fsl_utils: fix a leaked reference by adding
 missing of_node_put

> @@ -71,6 +71,7 @@  int fsl_asoc_get_dma_channel(struct device_node *ssi_np,
>  	iprop = of_get_property(dma_np, "cell-index", NULL);
>  	if (!iprop) {
>  		of_node_put(dma_np);
> +		of_node_put(dma_channel_np);
>  		return -EINVAL;
>  	}
>  	*dma_id = be32_to_cpup(iprop);

How do you think about to adjust the exception handling in this function
implementation a bit more according to the Linux coding style?
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/sound/soc/fsl/fsl_utils.c?id=c705247136a523488eac806bd357c3e5d79a7acd#n16

Regards,
Markus